Interview Questions

Lewis G. - "Firstly, I would need to ask some clarifying questions: What is the goal for this app? Is it for purely education purposes or it is for improving grades? What age of kids are we talking about? Assuming most parts of the world kids go to kindergarten at age of 5. I am assuming we can have a few segments here. From ages 3-6 or ages 7-12. What country is this for, or it is for global? I would assume the following since nobody is replying in this case: The goal is for improving grades"See full answer

Tiago R. - "class TrieNode { constructor() { this.children = {}; this.isEndOfWord = false; } } class Trie { constructor() { this.root = new TrieNode(); } insert(word) { let node = this.root; for (const char of word) { if (!node.children[char]) { node.children[char] = new TrieNode(); } node = node.children[char]; } node.isEndOfWord = true; } search(word) { l"See full answer

Exponent - "It's always good to start with identifying what type of problem you're tackling. The problem we need to tackle is essentially a variation on a Favorite Product Question. We know there's a formula for this type of question, so now our job is to tactically execute on the formula. Let's begin with the Favorite Product Question formula: Choose a product and briefly explain what it is Who are the users? What are their pain points? **How did competitors solve it in the"See full answer

Robbie A. - "A great answer will: Lay out the mission of facebook and how reactions relate to it (FB mission is to connect people, FB app has posts that make up a feed, reactions enable more engagement with posts Describe the benefits of reactions for users (less friction to engage) and for FB (more user engagement with posts which helps viewer and poster, improve newsfeed algo) Notice that you can evaluate demand for a 7th reaction by looking at posts with a high ratio of comments to reactions, and ma"See full answer

Exponent - "This is an Improve a Product question. Let's first go over the Improve a Product formula: Ask clarifying questions Identify users, behaviors, and pain points State product goal Brainstorm small improvements Brainstorm bolder improvements Measure success Summarize Now, let's begin! Ask clarifying questions Before we begin listing off recommendations, it's important you ask questions to ensure you and the interviewer are on the same page"See full answer

James M. - "Break down into: OPEX #Employees x $avg. cost per employee $Overhead (mktg, legal, compliance) Content cost (creator payments) 80% of advert. revenue Elec, cooling, maintenance CAPEX #Data centers Avg servers per data center Avg. cost $ per server"See full answer

Panchali C. - "Questions I would ask the interviewer Are we considering only single owners or jointly homeowners? Do we consider people who are only buying, or do we consider gifted or inherited properties from parents or families? Fully paid or partially paid. To first explain my approach, I would consider the following assumptions: Total Population of the United States: 330 mn Millennials is considered between the age group of 19 to 35 years of age Population who are in the medium income gr"See full answer

Derrick M. - "SELECT d.departmentname,SUM(o.orderamount) AS total_revenue FROM orders o JOIN departments d ON d.departmentid =o.departmentid WHERE o.orderdate >= CURRENTDATE - INTERVAL '12 months' GROUP BY d.department_name ORDER BY total_revenue DESC; `"See full answer

Anonymous Moose - "Assumption US, not global. Two categories of masks: washable/reusable (cloth based) and disposable (surgical and N95) US population is about 300 million 100M households 3 per households** Cloth: on average 2 masks needed per person so they can wash it (2*3=6 masks per HH) 100M*6 = 600M cloth masks Disposable: of the 300M, assuming about 60% is essential workers. So about 300M*.6=180M are essential workers. Of the 180M, I would say abo"See full answer

Darshak S. - "Clarifying Questions: There are several different types of therapists, do you have a particular therapist in mind? Like Mental health, physical health, food and nutrition etc? Reply: You can decide And do we know what country are we building this product, since that will help me narrow down the scope of the product? Reply: USA Approach: Define the product vision and the goal that we want to achieve Target Audience is for this particular product What problems do these user currently"See full answer

Spring C. - "I tried taking a shot at this in 20 mins and typed out a solution. Why? Mission: build communities and bring people closer together Birthdays - help you connect with friends once an year, restart a conversation and bring people together. It also brings your broader friends and family closer to celebrate and builds communities . User: Birthday person Posts their birthday as public info FB reminds friends and family about the day On the day they get posts to"See full answer

Khushboo S. - "I would like to appreciate the company for giving an opportunity to visually impaired colleague and also making appropriate arrangements for enabling them to deliver their responsibilities smoothly. When I become aware of a teammate who is blind, I would start with the following steps - Understanding the degree of disability they have and doing my own research on how can one interact with such colleagues and facilitate smooth coordination with them I would approach them and ask as to how c"See full answer

P D. - "FB Vision: To empower users to build communities and bring the world closer together Reactions Product Goal: To enable users to express them in a quick and easy manner on posts / comments / videos / photos etc. and hence bringing the world closer. Currently only "Like" option is there which indicates to the creators that users like your posts. User Personas Content Creators Pain Points Single Reaction Option: Only users who like the content are able to use the reactions f"See full answer

Jonas P. - "Searching for podcasts over topics is quite easy nowadays. However, usually we either don't find any podcasts interesting enough or are overwhelmed with choice. What really indicates what podcast we want to listen to at the moment is our mood, energy level etc. Additionally, we typically have some requirements, like being on the train and having one hour to spend, or only a five-minute interval while preparing breakfast. As such, I want an interface that lets me search for length. I want my"See full answer